AMD Radeon HD 6990 vs AMD Radeon E9260 MXM
GPU · Specs Compare
Graphics Card
Release Date
Mar 2011
Sep 2016
Generation
Northern Islands
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-A (3.0)
Clock Speeds
Memory Clock
1250 MHz
1750 MHz
Base Clock
—
1090 MHz
Boost Clock
—
1200 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
112.0GB/s
Render Config
Compute Units
24
14
Shading Units
1536
896
TMUs
96
48
ROPs
32
16
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Theoretical Performance
Pixel Rate
26.56 GPixel/s
19.20 GPixel/s
Texture Rate
79.68 GTexel/s
57.60 GTexel/s
FP32 (float)
2.550 TFLOPS
2.150 TFLOPS
FP64 (double)
637.4 GFLOPS
134.4 GFLOPS
FP16 (half)
—
2.150 TFLOPS
Graphics Processor
GPU Name
Antilles
Baffin
GPU Variant
Antilles XT(215-0807027)
Baffin PRO
Architecture
TeraScale 3
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.64 billion
3 billion
Die Size
389 mm²
123 mm²
Board Design
TDP
375W
50W
Suggested PSU
750 W
—
Outputs
1x DVI4x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.2
Shader Model
5.0
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.